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mikroSDK Library

RN4678 click

Rating:

7

Author: MIKROE

Last Updated: 2019-08-01

Package Version: 1.0.0.1

mikroSDK Library: 1.0.0.0

Category: BT/BLE

Downloaded: 4950 times

Not followed.

License: MIT license  

RN4678 click carries the RN4678 Bluetooth® 4.2 dual mode module from Microchip. The click is designed to run on a 3.3V power supply. It communicates with the target microcontroller over I2C and UART interface.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

RN4678 click

RN4678 click

Native view of the RN4678 click board.

View full image
RN4678 click

RN4678 click

Front and back view of the RN4678 click board.

View full image

Library Description

The library covers all the necessary functions to control RN4678 Click board.

Key functions:

  • void rn4678_writeByte( uint8_t input ) - Write Single Byte.
  • uint8_t rn4678_byteReady() - Check for new byte received.
  • uint8_t rn4678_readByte() - Read Single Byte.

The application is composed of the three sections :

  • System Initialization - Initializes UART and LOG structures sets INT pin as input and RST, CS and PWM pins as output, if the device type is 'SLAVE' initializes UART interrupt and start to write log.
  • Application Initialization - Initialization driver enables - UART, also write log.
  • Application Task - This is an example which demonstrates the use of RN4870 Click board. If 'MASTER' - connects to 'SLAVE', sends message and disconnects. If 'SLAVE' - waits for connect request and message from 'MASTER' and LOGs received a message. Results are being sent to the Usart Terminal where you can track their changes.
void applicationTask()
{
    if ( devType == _RN4678_DEVICE_TYPE_MASTER )
    {
        rn4678_connect( &RN4678_ADDR_SLAVE1[ 0 ] );
        rn4678_send( _RN4678_MTYPE_MSG, _RN4678_DTYPE_STRING, _RN4678_ID_SLAVE, &MESSAGE_DATA[ 0 ] );
        mikrobus_logWrite( "    Message Send    ", _LOG_LINE );
        rn4678_disconnect();
    }
    else
    {
        msgFlag = rn4678_read( &MESSAGE_DATA[ 0 ] );

        if ( msgFlag == 1 )
        {
            mikrobus_logWrite( logText, _LOG_LINE );
        }
    }
}

Other mikroE Libraries used in the example:

  • UART
  • Conversion

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

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